Mold for manufacturing composite vitreous tile and concrete staves



NOV. 9, 1937. I c, F s 2,098,382

MOLD FOR MANUFACTURING COMPOSITE VITREOUS TILE AND CONCRETE STAVES Original Filed Aug. 1, 1931 7 45 .75 5 7 4 z, 7 55 4%. H '4e; zgm

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Percy C. Fish ATTORNEY? Patented Nov. 9, 1937 MOLD FOR MANUFACTURING COMPOSITE "VITREOUSTILE AND CONCRETE STAVES Percy CLFish, Kalamazoo, Mich.

Original application August 1, 1931, Serial No. 554,430. Divided and this application July 17,

1935, Serial No. 31,789

4 Claims. (Cl. 25-121) This invention relates to improved mold for manufacturing astave and is a division of my application Serial No. 554,430, filed Aug. 1, 1931.

The objects of this invention are:

First, to provide an improved mold for manuvibrator motors 9 for agitating and vibrating 5 facturing composite staves. the mold to cause the concrete delivered thereto Objects pertaining to details and economies of to settle into the forms, this being a well-known construction and operation will appear from the expedient for agitating molds, not necessary to description to follow. be detailed here. It has the effect in this com- A mold structure embodying the features of bination of uniting the cement with the tile, and 10 my invention and constituting the apparatus for accurately forming the joint by causing the fine carrying out the method is illustrated in the acaggregates to conform. companying drawing, in which: In use I place a vitreous stave body 4 in posi- Fig. 1 is a plan view of a mold structure with tion on my improved base, pressing the rear edge one of my improved staves in position, the viagainst the stop bar 2. I then place my mold in 15 brator on the under side thereof being indicated position around the tile against the projecting by dotted lines. rib 4| at the front and in spaced relation at the Fig. 2 is a front elevation view of the mold rear. I then clamp the mold against the vitrestructure as seen in Fig. 1. ous tile body 4 by engaging the edge thereof Fig. 3 is a detail left hand end elevation View against the stop rail 2 by the action of the ec- 20 of the mold with the supporting bench fragmencentric cams 8 against the front bar 6. This tary and in section. locates the front bar 6 exactly and precisely in Fig. 4 is a detail sectional elevation view on the proper relation to the projecting rib 4|. The line 4-4 of Figs. 1 and 2, the right hand portion rear mold frame rail 5 is thus in definite spaced of the base being broken away. relation to the front edge of the stave, the parts 5 Fig. 5 is a reduced detail perspective view of being very firmly held in position. one of the interchangeable mold ends. Semi-fluid concrete is then introduced into the The parts will be identified by their numerals open spaces and the mold is agitated by the v1- of reference which are the same in all the views. brators to cause the concrete to level down and l is the base of the mold which is rectangular work into the interstices. As soon as this has 30 in form, bearing a supporting stop rail 2 at the been accomplished the clamp cams 8 are reback edge which is secured to the base I by bolts leased and the mold frame with the stave therein 3 (see Fig. 4). 4 is the hollow vitreous tile prois passed to a curing rack to set. After the same vided with a projecting rib 4! at one edge and has had time to settwenty four hours or such with a corresponding depression 42 at the opposite a matterthe molds are removed ready for fur- 35 edge, the same being of usual hollow tile constructher use. tion with hollows extending from end to end, top The composite vitreous stave when thus manto bottom. ufactured is absolutely true with tongue and The mold is comprised of a rear side form rail groove joint, 2. thing substantially impossible to 5 containing a longitudinal groove 5| to form a accomplish in an all vitreous structure, owing to 40 tongue 43 in the concrete portion 44 of the comthe warping of the vitreous tile in the firing kiln. posite tile after it has been molded. By this method a substantially integral tile is 6 is the front mold rail with a longitudinal rib produced by the tongue and groove form which 6| to form a groove 45 in the concrete edge 46 can be readily assembled and retained in place of the composite tile 4. Mold ends 1 are proby the usual tie rods, the necessity of machining 45 vided with projections H at one end to engage any of the parts being avoided, and the necessity in the groove 5| of the rear mold rail 5 and with of employing a skilled mason to lay tile is also a depression 12 to engage the rib 6| of the front avoided as unskilled workmen can put them in mold rail 6. place rapidly and effectively.

Thread bolts l3, 14 extend through slots in I desire to claim the mold I have described 50 the ends of the said side rails which are clamped specifically and also broadly, as pointed out in in place by wing nuts l5, 16. The opposite edges the appended claims. of the vitreous tile 4 are recessed at 41 and 48 to Having thus described my invention, what I receive the concrete borders. The supporting rail claim as new and desire to secure by Letters Pat- 2 forms a stop for the lower rear edge of the tile ent is: 55

4 and the mold and tile are clamped in place by the pair of eccentric clamp cams 8 pivoted at 8| on the base I (see Figs. 1, 2 and-3).

On-the under side of the base of the mold are 1. A mold for forming composite vitreous tile and concrete staves, comprising the base with a stop rail at the rear, a rear mold rail having a groove for forming a tongue, a front mold rail having a rib for forming a groove, end mold bars having clamps for forming a frame to cooperate with a vitreous tile having rib projections to engage said stop rail and front rail to position and hold the said rails in proper spaced relation to said vitreous tile, eccentric clamps for clamping the said positioned tile and mold against thef stop rail, and a vibrator to agitate the concrete into place. V

2. A mold for forming composite vitreous tile and concrete staves, comprising the base with a stop rail at the rear, a rear mold rail having a groove for forming a tongue, a front mold rail having a rib for forming a groove, end mold bars having clamps for forming a frame to cooperate with a vitreous tile having rib projections to engage saidstop rail and front rail to position and hold the said rails in proper spaced relation to said vitreous tile, and eccentric clamps for clamping the said positioned tile and mold against the stop rail.

3. A mold for formingcomposite vitreous tile and concrete staves, comprising the base with a stop rail at the rear, a rear mold rail having a groove for forming a tongue, 2. front mold rail having a rib for forming a groove, end mold bars having clamps for forming a frame to cooperate with a vitreous tile having rib projections to engage said stop rail and front rail to position and hold the said rails in proper spaced relation to said vitreous tile, and clamps for clamping the said positioned tile and mold against the stop rail. V

4. A mold for forming composite vitreous tile and concrete staves, comprising the base with a stop rail .at the rear, a rear mold rail having a groove for forming a tongue, a front mold rail having a rib for forming a groove, end mold bars having clamps for forming a frame to cooperate with a vitreous tile having rib projections to engage said stop rail and front rail to position and hold the said rails in proper spacedrelation to said vitreous tile, and clamp means to retain said mold and tile in relative position for molding.

PERCY c. FISH. 26 

